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dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=94VPyqFY DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1769198083; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qHMFMv2RYAluVai076CrPk2IYV1uk3Pvq6OIGR9JWoU=; b=15IBe+B3+OszSj2b5LPAy+60HqKgDADs0fjkqPH1FTVon8RoblaC0kB1K7qBIQtcOtAlWP bymC09PMjuUPzfiYHUujxjxhdPbV3+iY43vbM79JA+hC8RGaWz7zE2fnrV/RIj0fQkG+/S mQVNLclSH5zKKoNOzfufmVs0RNpW09c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1769198083; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qHMFMv2RYAluVai076CrPk2IYV1uk3Pvq6OIGR9JWoU=; b=94VPyqFYMZAVZzMrT7JZb/SxCusul5erKqfaQwtFYkvzK2LdwPo3pyfZSR3b9jWlO48eM5 LJvrjrYKiO4NTGCQ== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Prasad Pandit Subject: [PULL 26/36] migration: Start incoming from channel.c Date: Fri, 23 Jan 2026 16:53:41 -0300 Message-ID: <20260123195352.12850-27-farosas@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123195352.12850-1-farosas@suse.de> References: <20260123195352.12850-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-3.01 / 50.00]; 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helo=lists.gnu.org; Received-SPF: pass client-ip=2a07:de40:b251:101:10:150:64:2; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1769198339025158500 Content-Type: text/plain; charset="utf-8" Leave migration_ioc_process_incoming to do only the channel identification process and move the migration start into channel.c. Both routines will be renamed in the next patches to better reflect their usage. Reviewed-by: Peter Xu Reviewed-by: Prasad Pandit Link: https://lore.kernel.org/qemu-devel/20260123141656.6765-16-farosas@sus= e.de Signed-off-by: Fabiano Rosas --- migration/channel.c | 12 ++++++++++-- migration/channel.h | 5 +++-- migration/migration.c | 13 +++++-------- migration/migration.h | 3 ++- 4 files changed, 20 insertions(+), 13 deletions(-) diff --git a/migration/channel.c b/migration/channel.c index 6acce7b2a2..b8d757c17b 100644 --- a/migration/channel.c +++ b/migration/channel.c @@ -33,6 +33,7 @@ void migration_channel_process_incoming(QIOChannel *ioc) { MigrationIncomingState *mis =3D migration_incoming_get_current(); Error *local_err =3D NULL; + MigChannelType ch; =20 trace_migration_set_incoming_channel( ioc, object_get_typename(OBJECT(ioc))); @@ -41,9 +42,16 @@ void migration_channel_process_incoming(QIOChannel *ioc) migration_tls_channel_process_incoming(ioc, &local_err); } else { migration_ioc_register_yank(ioc); - migration_ioc_process_incoming(ioc, &local_err); - } + ch =3D migration_ioc_process_incoming(ioc, &local_err); + if (!ch) { + goto out; + } =20 + if (migration_incoming_setup(ioc, ch, &local_err)) { + migration_incoming_process(); + } + } +out: if (local_err) { error_report_err(local_err); migrate_set_state(&mis->state, mis->state, MIGRATION_STATUS_FAILED= ); diff --git a/migration/channel.h b/migration/channel.h index 93dedbf52b..b361e1c838 100644 --- a/migration/channel.h +++ b/migration/channel.h @@ -19,11 +19,12 @@ #include "io/channel.h" =20 /* Migration channel types */ -enum { +typedef enum { + CH_NONE, CH_MAIN, CH_MULTIFD, CH_POSTCOPY -}; +} MigChannelType; =20 void migration_channel_process_incoming(QIOChannel *ioc); =20 diff --git a/migration/migration.c b/migration/migration.c index 93ebed5f8e..8a27d93498 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1037,10 +1037,10 @@ static bool migration_has_main_and_multifd_channels= (void) return true; } =20 -void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp) +MigChannelType migration_ioc_process_incoming(QIOChannel *ioc, Error **err= p) { MigrationIncomingState *mis =3D migration_incoming_get_current(); - uint8_t channel; + MigChannelType channel =3D CH_NONE; uint32_t channel_magic =3D 0; int ret =3D 0; =20 @@ -1059,7 +1059,7 @@ void migration_ioc_process_incoming(QIOChannel *ioc, = Error **errp) ret =3D migration_channel_read_peek(ioc, (void *)&channel_magi= c, sizeof(channel_magic), errp); if (ret !=3D 0) { - return; + goto out; } =20 channel_magic =3D be32_to_cpu(channel_magic); @@ -1074,7 +1074,6 @@ void migration_ioc_process_incoming(QIOChannel *ioc, = Error **errp) channel =3D CH_MAIN; } else { error_setg(errp, "unknown channel magic: %u", channel_magi= c); - return; } } else if (mis->from_src_file && migrate_multifd()) { /* @@ -1086,16 +1085,14 @@ void migration_ioc_process_incoming(QIOChannel *ioc= , Error **errp) channel =3D CH_MAIN; } else { error_setg(errp, "non-peekable channel used without multifd"); - return; } } else { assert(migrate_postcopy_preempt()); channel =3D CH_POSTCOPY; } =20 - if (migration_incoming_setup(ioc, channel, errp)) { - migration_incoming_process(); - } +out: + return channel; } =20 /** diff --git a/migration/migration.h b/migration/migration.h index cd6cfd62ba..b55cc40613 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -28,6 +28,7 @@ #include "postcopy-ram.h" #include "system/runstate.h" #include "migration/misc.h" +#include "channel.h" =20 #define MIGRATION_THREAD_SNAPSHOT "mig/snapshot" #define MIGRATION_THREAD_DIRTY_RATE "mig/dirtyrate" @@ -527,7 +528,7 @@ struct MigrationState { void migrate_set_state(MigrationStatus *state, MigrationStatus old_state, MigrationStatus new_state); =20 -void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp); +MigChannelType migration_ioc_process_incoming(QIOChannel *ioc, Error **err= p); void migration_incoming_process(void); bool migration_incoming_setup(QIOChannel *ioc, uint8_t channel, Error **er= rp); void migration_outgoing_setup(QIOChannel *ioc); --=20 2.51.0